CN215597799U - Water heater and water leakage detection device thereof - Google Patents
Water heater and water leakage detection device thereof Download PDFInfo
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- CN215597799U CN215597799U CN202121448808.8U CN202121448808U CN215597799U CN 215597799 U CN215597799 U CN 215597799U CN 202121448808 U CN202121448808 U CN 202121448808U CN 215597799 U CN215597799 U CN 215597799U
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- comparator
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Abstract
The utility model provides a water heater and a water leakage detection device thereof, comprising a water flow sensor, an electric valve and a comparator; at least two water flow sensors are arranged in the pipeline close to the water inlet of the water heater and the pipeline close to the water outlet of the water heater respectively; the electric valve is arranged at the water inlet; the comparator is electrically connected with the water flow sensor and the electric valve respectively; the water flow sensor is used for acquiring a first water flow speed in the pipeline at the water inlet and a second water flow speed in the pipeline at the water outlet, and sending the first water flow speed and the second water flow speed to the comparator; the comparator is used for outputting a level signal according to the first water flow speed and the second water flow speed and sending the level signal to the electric valve; the level signal is used for controlling the opening and closing of the electric valve. This application is through the discharge data of water inlet and delivery port obtain whether safe water heater inside water to in time realize cutting off water through electric valve when leaking.
Description
Technical Field
The utility model relates to the field of water heater control, in particular to a water heater and a water leakage detection device thereof.
Background
At present, the safety protection measures of the gas water heater mainly provide electricity safety and gas safety, but do not provide water safety, and the water heater can actively cut off gas and power when a fault occurs. For water safety, if the joint of the water copper pipe inside the water heater leaks water or the pipeline is damaged and leaks water in the use process of the water heater, corresponding measures cannot be taken in time, and the use safety of a user can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that the water safety of a water heater in the using process cannot be effectively controlled in the prior art, and provides a water heater and a water leakage detection device thereof.
The utility model solves the technical problems through the following technical scheme:
a water leakage detection device of a water heater comprises a water flow sensor, an electric valve and a comparator;
the water flow sensors are at least two, and at least one water flow sensor is arranged in a pipeline close to a water inlet of the water heater and a pipeline close to a water outlet of the water heater respectively; the electric valve is arranged at the water inlet;
the comparator is electrically connected with the water flow sensor and the electric valve respectively;
the water flow sensor is used for acquiring a first water flow speed in a pipeline of the water inlet and a second water flow speed in a pipeline of the water outlet, and sending the first water flow speed and the second water flow speed to the comparator;
the comparator is used for outputting a level signal according to the first water flow speed and the second water flow speed and sending the level signal to the electric valve; the level signal is used for controlling the opening and closing of the electric valve.
Preferably, the water leakage detection device further comprises a humidity sensor, and the humidity sensor is arranged at the bottom of the water heater;
the comparator is electrically connected with the humidity sensor;
the humidity sensor is used for acquiring humidity data and sending the humidity data to the comparator;
the comparator is further configured to output the level signal according to the humidity data.
Preferably, the level signal comprises a high level signal and a low level signal;
the high level signal is used for controlling the opening of the electric valve;
the low level signal is used for controlling the electric valve to be closed.
Preferably, the comparator is configured to output a low level signal when a difference between the first water flow speed and the second water flow speed is greater than a preset difference.
Preferably, the comparator is configured to output a low level signal when the first water flow speed and the second water flow speed are both 0.
Preferably, the comparator is configured to output a high level signal when the first water flow speed is 0 and the second water flow speed is not 0.
Preferably, the comparator is configured to output a low level signal when the humidity data is greater than a preset humidity.
A water heater comprising a water leak detection device as described above.
The positive progress effects of the utility model are as follows: the water heater is characterized in that a water flow sensor is respectively arranged at an inlet and an outlet of the water heater, a humidity sensor is arranged at the bottom of the water heater, an electric valve is additionally arranged at the water inlet, and whether water consumption inside the water heater is safe or not and whether water leakage occurs or not is judged through water flow data of the water inlet and the water outlet and data detected by the humidity sensor at the bottom of the water heater, so that water cut-off is realized through the electric valve in time when water leakage occurs, and water consumption safety is realized.
Drawings
Fig. 1 is a schematic structural diagram of a water heater according to an embodiment 1 of the present invention.
Fig. 2 is a schematic block diagram of a water leakage detection device of a water heater according to embodiment 1 of the present invention.
Detailed Description
The utility model will be more clearly and completely described by the following specific embodiments in combination with the attached drawings.
Example 1
A water leakage detection device of a water heater is shown in figures 1-2 and comprises a water flow sensor 1, an electric valve 2 and a comparator 3;
the number of the water flow sensors 1 is at least two, and at least one water flow sensor 1 is arranged in a pipeline close to a water inlet of the water heater and a pipeline close to a water outlet of the water heater respectively; the electric valve 2 is arranged at the water inlet; it should be noted that, in order to improve the detection accuracy, a plurality of water flow sensors may be additionally provided, but at least one water inlet and one water outlet of the water heater are provided.
The comparator 3 is respectively and electrically connected with the water flow sensor 1 and the electric valve 2;
the water flow sensor 1 is configured to acquire a first water flow speed in the pipe at the water inlet and a second water flow speed in the pipe at the water outlet, and send the first water flow speed and the second water flow speed to the comparator 3;
the comparator 3 is used for outputting a level signal according to the first water flow speed and the second water flow speed and sending the level signal to the electric valve 2; the level signal is used for controlling the opening and closing of the electric valve 2. The electrically operated valve may be an electromagnetic valve, and the high level signal opens the valve and the low level signal closes the valve.
In this embodiment, the water leakage detection device further includes a humidity sensor 4, and the humidity sensor 4 is disposed at the bottom of the water heater;
the comparator 3 is electrically connected with the humidity sensor 4;
the humidity sensor 4 is used for acquiring humidity data and sending the humidity data to the comparator 3;
the comparator 3 is further configured to output the level signal according to the humidity data.
In the solution of this embodiment, the level signal includes a high level signal and a low level signal;
the high level signal is used for controlling the opening of the electric valve 2;
the low level signal is used to control the closing of the electrically operated valve 2.
The comparator 3 is configured to output a low level signal when a difference between the first water flow speed and the second water flow speed is greater than a preset difference. Such as: when a user uses the water heater, the data detected by the water flow sensor 1 at the water inlet and the data detected by the water flow sensor 1 at the water outlet are different and slightly different, for example, 0.1L/min, which indicates that water leaks in the middle, at the moment, the electric valve 2 is closed to close water inlet, and the water heater reports the water leakage fault.
In addition, it should be noted that, for a water heater, generally, the combustion operation is started when the water flow rate at the water inlet is detected to be more than 2.8L/min, and the operation is stopped when the water flow rate is detected to be less than 2.3L/min.
The comparator 3 is configured to output a low level signal when the first water flow rate and the second water flow rate are both 0. That is, when the user stopped using water, the data that two discharge detected were 0, had water in the water heater pipeline this moment, closed electric valve 2 and made water unable entering water heater.
The comparator 3 is configured to output a high level signal when the first water flow rate is 0 and the second water flow rate is not 0. Such as: when a user begins to use water, the water in the water outlet pipeline flows due to gravity, the electric valve 2 is still in a closed state at the moment, so that the data detected by the water flow sensor 1 at the water outlet position is greater than 0, and the electric valve 2 is opened at the moment, so that the water can flow into the water heater.
The comparator 3 is used for outputting a low level signal when the humidity data is larger than the preset humidity. Such as: if the humidity sensor 4 at the bottom detects a large change in humidity in a short time and the humidity is 100% for a long time, it indicates water leakage, wherein the detection time is long enough to be set to 2min to eliminate the possibility of condensed water.
It should be noted that the comparator 3 may be a commercially available device, which may perform comparison of data or simple judgment. The present application is not directed to process improvements.
In the embodiment, the existing structure of the gas water heater is combined, a water flow sensor is respectively arranged at the inlet and the outlet of the water heater, a humidity sensor is arranged at the bottom of the water heater, an electric valve is additionally arranged at the water inlet, and whether the water consumption inside the water heater is safe or not and whether water leakage occurs or not are judged through the water flow data of the water inlet and the water outlet and the data detected by the humidity sensor at the bottom of the water heater, so that the water cut-off is realized through the electric valve in time when the water leakage occurs, and the water consumption safety is realized.
Example 2
A water heater comprising the water leak detection device of embodiment 1.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.
Claims (8)
1. A water leakage detection device of a water heater is characterized by comprising a water flow sensor, an electric valve and a comparator;
the water flow sensors are at least two, and at least one water flow sensor is arranged in a pipeline close to a water inlet of the water heater and a pipeline close to a water outlet of the water heater respectively; the electric valve is arranged at the water inlet;
the comparator is electrically connected with the water flow sensor and the electric valve respectively;
the water flow sensor is used for acquiring a first water flow speed in a pipeline of the water inlet and a second water flow speed in a pipeline of the water outlet, and sending the first water flow speed and the second water flow speed to the comparator;
the comparator is used for outputting a level signal according to the first water flow speed and the second water flow speed and sending the level signal to the electric valve; the level signal is used for controlling the opening and closing of the electric valve.
2. The water leakage detection device of the water heater as claimed in claim 1, wherein said water leakage detection device further comprises a humidity sensor, said humidity sensor is disposed at the bottom of said water heater;
the comparator is electrically connected with the humidity sensor;
the humidity sensor is used for acquiring humidity data and sending the humidity data to the comparator;
the comparator is further configured to output the level signal according to the humidity data.
3. A water leakage detecting device for a water heater as claimed in claim 2, wherein said level signal includes a high level signal and a low level signal;
the high level signal is used for controlling the opening of the electric valve;
the low level signal is used for controlling the electric valve to be closed.
4. A water leak detecting device for a water heater as claimed in claim 3, wherein said comparator is configured to output a low level signal when the difference between said first water flow rate and said second water flow rate is greater than a predetermined difference.
5. A water leak detecting device for a water heater as claimed in claim 3, wherein said comparator is configured to output a low level signal when both said first water flow rate and said second water flow rate are 0.
6. A water leak detecting device for a water heater as claimed in claim 3, wherein said comparator is configured to output a high level signal when said first water flow rate is 0 and said second water flow rate is not 0.
7. A water leakage detecting device for a water heater as claimed in claim 3, wherein said comparator is configured to output a low level signal when said humidity data is greater than a predetermined humidity.
8. A water heater comprising the water leak detection device of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448808.8U CN215597799U (en) | 2021-06-28 | 2021-06-28 | Water heater and water leakage detection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448808.8U CN215597799U (en) | 2021-06-28 | 2021-06-28 | Water heater and water leakage detection device thereof |
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| Publication Number | Publication Date |
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| CN215597799U true CN215597799U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121448808.8U Active CN215597799U (en) | 2021-06-28 | 2021-06-28 | Water heater and water leakage detection device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609947A (en) * | 2022-03-17 | 2022-06-10 | 佛山市美的清湖净水设备有限公司 | Water leakage protection control system and water purifying device |
-
2021
- 2021-06-28 CN CN202121448808.8U patent/CN215597799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609947A (en) * | 2022-03-17 | 2022-06-10 | 佛山市美的清湖净水设备有限公司 | Water leakage protection control system and water purifying device |
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